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Kenworth T300-T450 Parts

Shop heavy-duty mechanical replacement parts designed to fit the Kenworth T300 (1995 - 2007) and Kenworth T450 (1989 - 1997). Order precision-fit, quick-to-ship aftermarket truck parts to minimize downtime. Customize the look of your medium-duty vocational truck with our selection of exterior and interior chrome accessories, or outfit the frame rail with toolboxes, fuel tanks, and more.
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  • Ring Terminals - Various Styles, Gauges, Colors

    Ring Terminals - Various Styles, Gauges, Colors

    AUTOMANN USA

    $5.50 - $25.43
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks16-14 Gauge Blue Heat Shrink Spade Terminals No. 6 Stud - 50 PackSpade No 6 16-14GA Heat Shrink Pack*...
    PPR_299851
    SKU:
    PPR_299851
    Color:
    Red
    Color:
    Blue
    Size Options:
    12 Gauge
    Product Type:
    Air, Electrical, & Safety
    Color:
    Yellow
    Size Options:
    16 Gauge
    Material Options:
    Nylon
    Size Options:
    22 Gauge
    Make:
    Universal Items
    $5.50 - $25.43
    Qty in Cart: 0
    Price:
    $5.50 - $25.43
    Subtotal:
  • Black Steel Center Fender Brackets

    Black Steel Center Fender Brackets

    HOGEBUILT FENDERS

    $204.99 - $371.99
    Choose Option(s) to see description.Black Steel Adjustable Fender Brackets For Center Or Rear Fender Mounts - Pair.Center Fender Brackets* High Quality Center Fender Bracket* Made Of Steel* Black...
    PPR_299849
    SKU:
    PPR_299849
    Location:
    Made In USA
    Material Options:
    Steel
    Product Type:
    Rear Fenders
    Position:
    Driver Side
    Finish Options:
    Black Powder Coat
    Position:
    Passenger Side
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $204.99 - $371.99
    Qty in Cart: 0
    Price:
    $204.99 - $371.99
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  • Chrome Watermelon Light Sleeper Bunk LED Adapter - 1 PC Design

    Chrome Watermelon Light Sleeper Bunk LED Adapter - 1 PC Design

    UNITED PACIFIC

    $9.35
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksChrome Watermelon Light Sleeper Bunk LED Adapter - Convex 1 PC Design2 Inch Mounting Light BracketThe...
    PPR_299848
    SKU:
    PPR_299848
    Finish Options:
    Chrome-Plated
    Material Options:
    Plastic/Poly
    Product Type:
    Interior
    Make:
    Universal Items
    Style Options:
    Concave
    Style Options:
    Watermelon
    Style Options:
    Convex
    Location:
    Made In USA
    Ready To Ship:
    Yes
    $9.35
    Qty in Cart: 0
    Price:
    $9.35
    Subtotal:
  • Minimizer 50 X 16.7 X 20 Inch Poly Chest Tool Box

    Minimizer 50 X 16.7 X 20 Inch Poly Chest Tool Box

    MINIMIZER

    $732.99
    Simplify truck storage with the Minimizer 50 x 16.7 x 20 Inch Poly Chest Tool Box, designed for resilience, convenience, and long-term performance. Made from heavy-duty polyethylene, this chest...
    PPR_299846
    SKU:
    PPR_299846
    Color:
    Black
    Color:
    Gray
    Color:
    White
    Color:
    Yellow
    Location:
    Made In USA
    Color:
    Red
    Material Options:
    Plastic/Poly
    Height Options:
    17 Inch
    Product Type:
    Toolboxes
    Color:
    Silver
    Length Options:
    50 Inch
    Width Options:
    20 Inch
    Make:
    Universal Items
    Width Options:
    16 5/8 Inch
    Height Options:
    20 Inch
    Color:
    Various
    $732.99
    Qty in Cart: 0
    Price:
    $732.99
    Subtotal:
  • Plastic Bolt-On Fender Bracket Kit

    Plastic Bolt-On Fender Bracket Kit

    MINIMIZER

    $771.99 - $848.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksMinimizer Carbon Fiber Plastic Bolt-On Fender Bracket KitCarbon Fiber Plastic Bolt-on Bracket KitThe...
    PPR_299845
    SKU:
    PPR_299845
    Location:
    Made In USA
    Material Options:
    Plastic/Poly
    Finish Options:
    Carbon Fiber
    Product Type:
    Rear Fenders
    Finish Options:
    Mirror
    Style Options:
    Bolt On
    Make:
    Universal Items
    $771.99 - $848.99
    Qty in Cart: 0
    Price:
    $771.99 - $848.99
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  • Legendary Glass Watermelon Cab Light

    Legendary Glass Watermelon Cab Light

    LEGENDARY

    $55.99
    The Legendary Glass Watermelon Cab Light combines classic styling with durable performance. Its bullet-style glass lens is available in Amber/Amber or Amber/Clear, offering bright, consistent...
    PPR_299844
    SKU:
    PPR_299844
    Style Options:
    Chrome Housing
    Product Type:
    Lighting
    Color:
    Amber
    Material Options:
    Glass
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $55.99
    Qty in Cart: 0
    Price:
    $55.99
    Subtotal:
  • FREE SHIPPING OVER $249
    24 Inch 304 Stainless Steel Exhaust Grab Handle With Mounting Clamps

    24 Inch 304 Stainless Steel Exhaust Grab Handle With Mounting Clamps

    UNITED PACIFIC

    $131.99 - $141.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks6 X 24 Inch Stainless Steel Exhaust Grab Handle With Mounting ClampsExhaust Grab Handle 24 Inch x 6...
    PPR_299842
    SKU:
    PPR_299842
    Length Options:
    24 Inch
    Material Options:
    Stainless Steel
    Product Type:
    Exhaust
    Diameter Options:
    6 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $131.99 - $141.99
    Qty in Cart: 0
    Price:
    $131.99 - $141.99
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  • 8 Inch Translucent Smoke Battery Jumper Cables

    8 Inch Translucent Smoke Battery Jumper Cables

    AFTERMARKET

    $56.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks8 Inch Translucent Smoke Battery Jumper CablesTranslucent Battery Cables - OEM Replacement for Easy...
    PPR_299839
    SKU:
    PPR_299839
    Length Options:
    8 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $56.99
    Qty in Cart: 0
    Price:
    $56.99
    Subtotal:
  • FREE SHIPPING
    Merritt E-Z Mount Tool Box Mounting Kit

    Merritt E-Z Mount Tool Box Mounting Kit

    MERRITT

    $305.99 - $346.99
    Reinforce your truck's toolbox setup with the Merritt E-Z Mount Tool Box Mounting Kit, built for strength, convenience, and long-lasting use. Constructed from high-quality zinc-plated steel, this...
    PPR_299836
    SKU:
    PPR_299836
    Position:
    Kit Full
    Location:
    Made In USA
    Length Options:
    18 Inch
    Truck Class:
    Heavy Duty
    Product Type:
    Toolboxes
    Material Options:
    Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Length Options:
    24 Inch
    Finish Options:
    Zinc-Plated
    $305.99 - $346.99
    Qty in Cart: 0
    Price:
    $305.99 - $346.99
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  • TPHD Cargo Control Flatbed Starter Kit W/ Chains

    TPHD Cargo Control Flatbed Starter Kit W/ Chains

    TPHD

    $1,124.99 - $2,140.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksTPHD Cargo Control Flatbed Basic Starter Kit W/ 5/16 ChainsTPHD Chains, Ratchet Style Chain Binders,...
    PPR_299830
    SKU:
    PPR_299830
    Truck Class:
    Universal
    Product Type:
    Cargo Control
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $1,124.99 - $2,140.99
    Qty in Cart: 0
    Price:
    $1,124.99 - $2,140.99
    Subtotal:
  • Brass Coupler, Inverted Flare Union

    Brass Coupler, Inverted Flare Union

    AUTOMANN USA

    $1.91 - $3.24
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks3/8 Inch Inverted Flare Union SAECoupler 3/8 Inch Inverted Flare Union* High Quality Coupler* 3/8 Inch*...
    PPR_299800
    SKU:
    PPR_299800
    Product Type:
    Air, Electrical, & Safety
    Diameter Options:
    1/4 Inch
    Diameter Options:
    3/16 Inch
    Material Options:
    Brass
    Diameter Options:
    3/8 Inch
    Diameter Options:
    1/8 Inch
    Make:
    Universal Items
    $1.91 - $3.24
    Qty in Cart: 0
    Price:
    $1.91 - $3.24
    Subtotal:
  • SS Vanity License Plate Frames

    SS Vanity License Plate Frames

    ROADWORKS

    $37.53 - $64.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksSpider Web License PlateLaser Cut Stainless Steel Spider Web License Plate* High Quality License Plate*...
    PPR_299796
    SKU:
    PPR_299796
    Product Type:
    Bumpers
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $37.53 - $64.99
    Qty in Cart: 0
    Price:
    $37.53 - $64.99
    Subtotal:
  • RealWheels Rear Window Guard For Peterbilt & Kenworth

    RealWheels Rear Window Guard For Peterbilt & Kenworth

    REALWHEELS

    $319.99 - $381.99
    Protect your truck's rear window with this high-quality stainless steel rear window guard, available in a brushed stainless steel finish or stealth black powder coat. Built for strength and style, it...
    PPR_299737
    SKU:
    PPR_299737
    Product Type:
    Exterior
    Finish Options:
    Smooth
    Finish Options:
    Black Powder Coat
    Width Options:
    37 Inch
    Material Options:
    Stainless Steel
    Make:
    Kenworth
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $319.99 - $381.99
    Qty in Cart: 0
    Price:
    $319.99 - $381.99
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD 33MM X 2-3/4 Inch Chrome Plastic Nut Cover

    TPHD 33MM X 2-3/4 Inch Chrome Plastic Nut Cover

    TPHD

    $1.42
    33MM X 2-3/4 Inch Nut Cover By TPHDCrafted from chrome-plated plastic, this nut cover offers a premium mirror-like finish that enhances your vehicle's overall appearance while protecting lug nuts...
    09-20061331
    SKU:
    09-20061331
    Product Type:
    Wheels
    Length Options:
    2 3/4 Inch
    Finish Options:
    Chrome-Plated
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $1.42
    Qty in Cart: 0
    Price:
    $1.42
    Subtotal:
  • Air Brake Camshaft Replaces E2445, E2445A, E6081, R16WKR231243, 72442

    Air Brake Camshaft Replaces E2445, E2445A, E6081, R16WKR231243, 72442

    AFTERMARKET

    $67.99
    Choose Option(s) to see description.Fitment* Fits Various Makes And Models Of TrailersAir Brake Camshaft Driver Side Replaces E2445, E2445A, E6081Replacement Trailer Air Brake Camshaft* High Quality...
    PPR_299805
    SKU:
    PPR_299805
    Product Type:
    Trailer
    Truck Class:
    Heavy Duty
    Make:
    Trailer
    Position:
    Passenger Side
    Position:
    Driver Side
    Length Options:
    24 Inch
    Make:
    Universal Items
    $67.99
    Qty in Cart: 0
    Price:
    $67.99
    Subtotal:
  • Heat Shrink Butt Connectors

    Heat Shrink Butt Connectors

    AFTERMARKET

    $57.99 - $133.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks16-14 Gauge Blue Heat Shrink Butt Connectors - 100 PackButt Connectors With Heat Shrink Ends* High...
    PPR_299801
    SKU:
    PPR_299801
    Product Type:
    Air, Electrical, & Safety
    Color:
    Red
    Color:
    Yellow
    Color:
    Blue
    Make:
    Universal Items
    $57.99 - $133.99
    Qty in Cart: 0
    Price:
    $57.99 - $133.99
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  • Roadworks Stainless Steel CB Switch Panel

    Roadworks Stainless Steel CB Switch Panel

    ROADWORKS

    $12.59 - $32.14
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksCB Switch Panel With 2 HolesRoadworks Stainless Steel CB Switch Panel* High Quality CB Switch Panels*...
    PPR_299797
    SKU:
    PPR_299797
    Product Type:
    Interior
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $12.59 - $32.14
    Qty in Cart: 0
    Price:
    $12.59 - $32.14
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  • Brass Hose Fitting, Female NPT End

    Brass Hose Fitting, Female NPT End

    AUTOMANN USA

    $1.43 - $5.78
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksHose Fitting 3/8 Inch Barb x 1/4 Inch Female NPT EndHose Fitting 3/8in Barb x 1/4in F NPT* High Quality...
    PPR_299799
    SKU:
    PPR_299799
    Product Type:
    Air, Electrical, & Safety
    Material Options:
    Brass
    Make:
    Universal Items
    $1.43 - $5.78
    Qty in Cart: 0
    Price:
    $1.43 - $5.78
    Subtotal:
  • 80 Inch Odyssey Truck Mattress

    80 Inch Odyssey Truck Mattress

    ODYSSEY

    $589.99 - $640.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks39 X 80 Inch Odyssey Hybrid Super Soft MattressOdyssey Original Super Soft MattressThe Odyssey Original...
    PPR_299802
    SKU:
    PPR_299802
    Product Type:
    Interior
    Width Options:
    39 Inch
    Color:
    Black
    Width Options:
    42 Inch
    Length Options:
    80 Inch
    Make:
    Universal Items
    $589.99 - $640.99
    Qty in Cart: 0
    Price:
    $589.99 - $640.99
    Subtotal:
  • Stainless Steel Signs, 18 Gauge With Exterior Grade Tape

    Stainless Steel Signs, 18 Gauge With Exterior Grade Tape

    ROADWORKS

    $21.35 - $53.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks11 X 2.5 Inch SS Do Not Touch SignDo Not Touch Sign - 18 Gauge Stainless Steel* High Quality Sign*...
    PPR_299798
    SKU:
    PPR_299798
    Product Type:
    Cargo Control
    Height Options:
    6 Inch
    Height Options:
    2 1/2 Inch
    Shape Options:
    Round
    Location:
    Made In USA
    Width Options:
    14 Inch
    Width Options:
    11 Inch
    Width Options:
    9 Inch
    Width Options:
    7 Inch
    Length Options:
    11 Inch
    Height Options:
    5 Inch
    Width Options:
    10 Inch
    Material Options:
    Stainless Steel
    Width Options:
    3 Inch
    Width Options:
    13 Inch
    Width Options:
    8 Inch
    Make:
    Universal Items
    $21.35 - $53.99
    Qty in Cart: 0
    Price:
    $21.35 - $53.99
    Subtotal:
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Adding your products to cart

Aftermarket Parts for Kenworth T300 & T450 Trucks

We stock hundreds of critical repair and replacement parts for the T300 and classic T450 model. Our goal is to get you the hardware that’ll maintain your vocational Kenworth truck for years to come. Whether you need engine-cooling components, HVAC parts, air brake replacements, or suspension hardware parts, they’re all available for purchase and ready to ship out of our 30,000-square-foot warehouse.

Kenworth T300 Parts & Accessories

Exterior Upgrades & Chrome: Blind-mount front bumpers, grilles, LED cab lights, mirrors, visors, and hood trim accents. Interior Cab Customizations: Floor trim accessories, gauge panel trim, air brake dash knobs, and cab roof trim upgrades. Mechanical & System Replacements: Larger diesel fuel tanks, suspension components, engine parts, and brake components.

Kenworth T450 Parts & Accessories

Bumpers & Exterior Dressings: Custom front bumpers, OEM and Texas-style bumper options, stainless steel or chrome finishes, grilles, and cab lighting. Dash Accessories & Trim: Interior panel upgrades, custom dash knobs, floor trim kits, and driver-focused cabin accents. Drivetrain & Replacement Components: High-capacity fuel storage upgrades, system replacement parts, and reliable mechanical hardware.

Why Upgrade Your Kenworth Medium-Duty Rig?

Boost Visual Appeal: Chrome cab lights, bold grille inserts, and custom bumpers give your truck a clean, head-turning look on the road or at the dock. Improve Cab Comfort: Add floor trim kits, updated door panels, and dash accessories to create a more comfortable, driver-friendly workspace. Increase Efficiency: Larger fuel storage capacity and ergonomic fuel tank accessories give you more range between fuel stops—perfect for regional hauls or long shifts. Cost-Effective Replacements: Get high-quality parts at a better price than many OEM options, all with reliable fit and function. Custom Options: Choose from multiple finishes, materials, and configurations to match your style and how you use your truck.

Frequently Asked Questions About Kenworth T300-T450 Parts

What year models are compatible with your T300-T450 bumpers and parts?

Our Kenworth T300-T450 parts typically fit models from 1994 through 2008, when these trucks were in production. However, compatibility can vary by specific part. The T300 was produced from 1994-2007, while the T330 and T440 ran through 2008. Always check the product description for exact year ranges, or contact our team with your OEM number for guaranteed fitment verification.

Are your bumpers made from chrome-plated steel or stainless steel, and which is better for my truck?

We offer both chrome-plated steel and polished stainless steel options. Chrome-plated bumpers provide a mirror-like finish at a lower cost but require regular maintenance to prevent rust and pitting. Stainless steel bumpers cost more upfront but resist corrosion better and maintain their appearance with minimal care. For trucks in harsh weather conditions or coastal areas, we recommend stainless steel. For show trucks or mild climates, chrome-plated options work well with proper maintenance.

Do I need special tools or professional installation for T300-T450 bumpers?

Most bumper installations require basic hand tools including socket sets, wrenches, and possibly a drill for certain accessories. The bumper itself typically weighs 40-80 pounds, so having a helper is strongly recommended. Installation usually takes 2-4 hours depending on whether you're adding accessories like fog lights or tow hooks. While many customers successfully install bumpers themselves, some prefer professional installation, especially when adding electrical components or dealing with rusted mounting brackets.

Will aftermarket bumpers affect my truck's approach angle or ground clearance?

Standard replacement bumpers maintain factory dimensions and won't affect approach angles or clearance. However, heavy-duty bumpers with integrated tow hooks or extended designs may protrude 2-4 inches further than stock, potentially reducing approach angle. Texas-style bumpers and some custom options sit lower, which can reduce ground clearance by 1-2 inches. Always check product specifications for exact measurements to ensure the bumper meets your operational needs.

What's the difference between OEM-style and Texas bumpers for T300-T450 trucks?

OEM-style bumpers replicate the factory design with standard mounting points and original dimensions, making them direct replacements. Texas bumpers (also called Texas square bumpers) feature a distinctive squared-off design that extends further from the truck and sits lower, offering enhanced protection and a custom appearance. Texas bumpers typically include more mounting points for accessories but may require slight modifications to air lines or other components during installation.


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